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How to access array elements in a Django template?
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Remember that the dot notation in a Django template is used for four different notations in Python. In a template, foo.bar can mean any of:
foo[bar] # dictionary lookup
foo.bar # attribute lookup
foo.bar() # method call
foo[bar] # list-index lookup
It tries...
Can I use conditional statements with EJS templates (in JMVC)?
...ry.ejs template in a JMVC app. The following breaks. I can't find any docs for conditionals...
7 Answers
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How can I quickly delete a line in VIM starting at the cursor position?
...nded to the line.
This is part of vitutor and vimtutor, excellent "reads" for vim beginners.
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How to create directories recursively in ruby?
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Use mkdir_p:
FileUtils.mkdir_p '/a/b/c'
The _p is a unix holdover for parent/path you can also use the alias mkpath if that makes more sense for you.
FileUtils.mkpath '/a/b/c'
In Ruby 1.9 FileUtils was removed from the core, so you'll have to require 'fileutils'.
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grepping using the “|” alternative operator
... argh, just realised I was following the wrong regex tutorial for use in grep. I can't seem to find a good grep one anywhere. Thanks for this!
– MattLBeck
Jul 21 '11 at 12:30
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Using SignalR with Redis messagebus failover using BookSleeve's ConnectionUtils.Connect()
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The SignalR team has now implemented support for a custom connection factory with StackExchange.Redis, the successor to BookSleeve, which supports redundant Redis connections via ConnectionMultiplexer.
The initial problem encountered was that in spite of creating my ow...
How to show git log history for a sub directory of a git repo?
...path>.. from the <since>..<until> refspecs.
# Show changes for src/nvfs
$ git log --oneline -- src/nvfs
d6f6b3b Changes for Mac OS X
803fcc3 Initial Commit
# Show all changes (one additional commit besides in src/nvfs).
$ git log --oneline
d6f6b3b Changes for Mac OS X
96cbb79 gitign...
Java unchecked: unchecked generic array creation for varargs parameter
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As janoh.janoh mentioned above, varargs in Java is just a syntactic sugar for arrays plus the implicit creation of an array at the calling site. So
List<List<String>> combinations =
Utils.createCombinations(cocNumbers, vatNumbers, ibans);
is actually
List<List<String>&g...
Difference between CMAKE_CURRENT_SOURCE_DIR and CMAKE_CURRENT_LIST_DIR
...T_SOURCE_DIR and CMAKE_CURRENT_LIST_DIR may refer to different directories for a CMake list file that is included by another file with the include command. E.g., if a CMakeLists.txt is present in a directory project and contains the following directive
include(src/CMakeLists.txt)
then while src/CM...
Changing the case of a string in Eclipse
...lect a string and either uppercase it or lowercase it. Is there a shortcut for doing this?
5 Answers
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